@article{MZM_2023_113_6_a15,
     author = {B. I. Efendiev},
     title = {Lyapunov {Inequality} for {Second-Order} {Equation} with {Operator} of {Distributed} {Differentiation}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {950--953},
     publisher = {mathdoc},
     volume = {113},
     number = {6},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2023_113_6_a15/}
}